About This Chapter
How it works:
- Identify which concepts are covered on your nervous, immune and endocrine systems homework.
- Find videos on those topics within this chapter.
- Watch fun videos, pausing and reviewing as needed.
- Complete sample questions and get instant feedback.
- Finish your nervous, immune and endocrine systems homework with ease!
Topics from your homework you'll be able to complete:
- Homeostasis and temperature regulation in humans
- Functions of the nervous system
- Brain structures and functions
- Innate and acquired immunity
- Viruses, pathogens, antibiotics and vaccines
1. Homeostasis and Temperature Regulation in Humans
Do you wonder how your body is able to maintain a consistent temperature? Have you ever questioned why you get goosebumps when you're cold? This lesson will introduce you to homeostasis and answer your questions about body temperature regulation and reactions, like goosebumps.
2. Homeostasis of Glucose Levels: Hormonal Control and Diabetes
In this lesson, we'll look at how the body uses hormones to maintain homeostasis of blood glucose levels, what happens in people who have diabetes, and how diabetics can manage their disease.
3. Functions of the Nervous System
In this lesson, we'll watch Timmy as he plays in his backyard. Watch what happens when he tries to catch a butterfly, hears a mean dog bark, and scrapes his knee. All of Timmy's reactions are tied to his nervous system. For a full explanation of what goes on in the human nervous system, check out the video!
4. The Structure and Function of Neurons
In this video lesson, you'll learn about neurons, which are specialized cells in the nervous system. Check out how far neurons can send signals throughout the body and how depolarization is much like 'the wave' at a football game.
5. The Central and Peripheral Nervous Systems
Did you know that hammerhead sharks and platypuses share a special type of sensory neuron that humans and most other animals don't have? In this lesson, you'll find out what that sensory neuron and a whole lot of others can do. You'll also learn how the nervous system is organized and the differences between the central and peripheral nervous systems.
6. The Sympathetic and Parasympathetic Nervous Systems
In this lesson, you'll learn about two subdivisions of the autonomic nervous system - the sympathetic and parasympathetic nervous systems. Watch as a hiker, Phil, runs away from a terrifying bear and see how these systems react to the impending danger!
7. Brain Structures and Functions Part I
The brain's complexity can often be difficult to understand because it serves so many important functions. In this lesson, you'll get a little help from Nrr, the alien biologist, who will guide you through understanding the structure and functions of the human brain.
8. The Cerebral Cortex: Brain Structures and Functions Part II
Check out this video lesson to learn about the four lobes of the human brain - the frontal, parietal, occipital and temporal. You'll learn about the functions and processes of each region.
9. Innate Immunity: Inflammation, Neutrophils & Natural Killer Cells
You might already know how your body handles known infectious agents but how about unknown? Watch this video to explore your innate immune system - your body's defense against new bacteria and viruses.
10. Acquired Immunity: T Cells, B Cells and Antibodies
Have you ever wondered why some people don't ever seem to get sick? These people likely have an acquired immunity. Learn more about the immune system and how exposure to an illness one time can help your body to prevent that illness from ever occurring again.
11. Antibiotics and Vaccines
Do you know why children must get regularly vaccinated? Have you ever wondered how an antibiotic works and why they are so widely prescribed? If so, this lesson will help you to understand how changes in medicine have almost eliminated several deadly diseases and added decades to the average person's lifespan.
12. Pathogens: Antibiotic Resistance and Virulence
Find out more about how the overuse of antibiotics could lead to some serious problems with epidemics or untreatable diseases in the future. You can also discover some of the things that make pathogens harmful and why pathogens don't cause disease in every species they infect.
13. Adipose Tissue: Function, Location & Definition
Fat is the subject of daily discussion in this country. We understand it can carry tremendous health risks and could destroy our bodies, but surprisingly, it is essential for our daily function. In this lesson, we'll explore the answers behind the body tissue adipose - the connective tissue that contains fat - and see how it protects, warms, and fuels our daily lives.
14. Parasympathetic Nervous System: Definition, Function & Effects
The autonomic nervous system is responsible for controlling bodily processes that are not under our own voluntary control. Under normal circumstances, the parasympathetic division of the ANS is the most active. This article discusses the function of the parasympathetic nervous system in the human body.
15. Somatic Nervous System: Definition, Function & Example
One of the most complex systems in the body is the nervous system. In this lesson, you will learn about the somatic nervous system and how important it is to body functions. Examples and illustrations will be provided to assist your understanding of the lesson.
16. What is the Limbic System in the Brain? - Definition, Functions & Parts
The limbic system is composed of structures in the brain that deal with emotions (such as anger, happiness and fear) as well as memories. This article will address the limbic system, its parts and their functions in the human body.
17. Olfactory Nerve: Function, Disorders & Regeneration
Your olfactory nerve is responsible for your sense of smell and plays a big part in your sense of taste, too. Learn about how it works, disorders that affect it, and how it can regenerate.
18. What is Immunity? - Definition & Types
This lesson will introduce immunity and define what immunity is and what it does. The lesson will also identify the different types of immunity and what they involve.
19. Anticholinergics: Definition, Examples & Side Effects
In this lesson we'll learn what anticholinergics are and how they work. We'll also go over some examples of anticholinergic drugs and the diseases they are used to treat, as well as the side effects of each.
20. Asthenia: Definition, Symptoms & Treatment
Have you ever felt like you lacked muscle strength and energy to get things done? If so, you may have experienced asthenia. Read this lesson to learn about what asthenia is, what the causes and symptoms are, and possible treatment options.
21. What Is Lymphadenitis? - Definition, Symptoms & Treatment
The lymph nodes are responsible for fighting off infections of the body. But what happens when the lymph nodes become inflamed? Read this lesson to learn about lymphadenitis, its causes, and treatment options.
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